Merge pull request #657 from Unity-Technologies/Disable-decal-for-now

Disable decal for now, (WIP)

ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs

 
         void RenderDBuffer(Vector3 cameraPos, ScriptableRenderContext renderContext, CommandBuffer cmd)
         {
-            using (new ProfilingSample(cmd, "Decals", GetSampler(CustomSamplerId.DBuffer)))
+            // Currently disabled
+            return ;
+
+            using (new ProfilingSample(cmd, "DBuffer", GetSampler(CustomSamplerId.DBuffer)))
             {
                 CoreUtils.SetRenderTarget(cmd, m_DbufferManager.GetDBuffers(), m_CameraDepthStencilBufferRT, ClearFlag.Color, CoreUtils.clearColorAllBlack);
                 cmd.SetGlobalTexture(HDShaderIDs._MainDepthTexture, GetDepthTexture());

ScriptableRenderPipeline/HDRenderPipeline/Material/Decal/DecalUtilities.hlsl

-#include "Decal.hlsl"
+#include "Decal.hlsl"
+    // Currently disabled
+#if 0
 	FETCH_DBUFFER(DBuffer, _DBufferTexture, unPositionSS);
 	DecalSurfaceData decalSurfaceData;
 	DECODE_FROM_DBUFFER(DBuffer, decalSurfaceData);
+#endif
 }